//integras/b&h/Eer/Final_06-09-02/prelims Electrical Engineer's Reference Book //integras/b&h/Eer/Final_06-09-02/prelims Important notice Many practical techniques described in this book involve potentially dangerous applications of electricity and engineering equipment. The authors, editors and publishers cannot take responsibility for any personal, professional or financial risk involved in carrying out these techniques, or any resulting injury, accident or loss. The techniques described in this book should only be implemented by professional and fully qualified electrical engineers using their own professional judgement and due regard to health and safety issues. //integras/b&h/Eer/Final_06-09-02/prelims Electrical Engineer's Reference Book Sixteenth edition M. A. Laughton CEng., FIEE D. J. Warne CEng., FIEE OXFORD AMSTERDAM BOSTON NEW YORK LONDON PARIS SAN DIEGO SAN FRANCISCO SINGAPORE SYDNEY TOKYO //integras/b&h/Eer/Final_06-09-02/prelims Newnes An imprint of Elsevier Science Linacre House, Jordan Hill, Oxford OX2 8DP 200 Wheeler Road, Burlington, MA 01803 A division of Reed Educational and Professional Publishing Ltd A member of the Reed Elsevier plc group First published in 1945 by George Newnes Ltd Fifteenth edition 1993 Sixteenth edition 2003 Copyright # Elsevier Science, 2003. All rights reserved No part of this publication may be reproduced in any material form (including photocopying or storing in any medium by electronic means and whether or not transiently or incidentally to some other use of this publication) without the written permission of the copyright holder except in accordance with the provisions of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London, England W1T 4LP. Applications for the copyright holder's written permission to reproduce any part of this publication should be addressed to the publishers British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library ISBN 0 7506 46373 For information on all Newnes publications visit our website at www.newnespress.com Typeset in India by Integra Software Services Pvt. Ltd, Pondicherry 605 005, India. www.integra-india.com Printed and bound in Great Britain //integras/b&h/Eer/Final_06-09-02/prelims Contents Preface 8 Magnetic Materials Ferromagnetics . Electrical steels including silicon Section A ± General Principles steels . Soft irons and relay steels . Ferrites . Nickel±iron alloys . Iron±cobalt alloys . Permanent magnet materials 1 Units, Mathematics and Physical Quantities International unit system . Mathematics . Physical 9 Electroheat and Materials Processing quantities . Physical properties . Electricity Introduction . Direct resistance heating . Indirect resistance heating . Electric ovens and furnaces . Induction heating . Metal melting . Dielectric heating . Ultraviolet processes . 2 Electrotechnology Plasma torches . Semiconductor plasma processing . Lasers Nomenclature . Thermal effects . Electrochemical effects . Magnetic field effects . Electric field effects . 10 Welding and Soldering Electromagnetic field effects . Electrical discharges Arc welding . Resistance welding . Fuses . Contacts . Special alloys . Solders . Rare and precious metals . Temperature- 3 Network Analysis sensitive bimetals . Nuclear-reactor materials . Amorphous materials Introduction . Basic network analysis . Power-system network analysis Section C ± Control Section B ± Materials & Processes 11 Electrical Measurement Introduction . Terminology . The role of measurement 4 Fundamental Properties of Materials traceability in product quality . National and international Introduction . Mechanical properties . Thermal properties . measurement standards . Direct-acting analogue measuring Electrically conducting materials . Magnetic materials . instruments . Integrating (energy) metering . Electronic Dielectric materials . Optical materials . The plasma instrumentation . Oscilloscopes . Potentiometers and state bridges . Measuring and protection transformers . Magnetic measurements . Transducers . Data recording 5 Conductors and Superconductors 12 Industrial Instrumentation Conducting materials . Superconductors Introduction . Temperature . Flow . Pressure . Level transducers . Position transducers . Velocity and acceleration . Strain gauges, loadcells and 6 Semiconductors, Thick and Thin-Film weighing . Fieldbus systems . Installation notes Microcircuits Silicon, silicon dioxide, thick-and thin-film technology . 13 Control Systems Thick-and thin-film microcircuits Introduction . Laplace transforms and the transfer function . Block diagrams . Feedback . Generally desirable 7 Insulation and acceptable behaviour . Stability . Classification of system and static accuracy. Transient behaviour . Insulating materials . Properties and testing . Gaseous Root-locus method . Frequency-response methods . dielectrics . Liquid dielectrics . Semi-fluid and fusible State-space description . Sampled-data systems . materials . Varnishes, enamels, paints and lacquers . Solid Some necessary mathematical preliminaries . Sampler and dielectrics . Composite solid/liquid dielectrics . Irradiation zero-order hold . Block diagrams . Closed-loop systems . effects . Fundamentals of dielectric theory . Polymeric Stability . Example . Dead-beat response . Simulation . insulation for high voltage outdoor applications Multivariable control . Dealing with non linear elements . //integras/b&h/Eer/Final_06-09-02/prelims Disturbances . Ratio control . Transit delays . Stability . 23 Electromagnetic Compatibility AInudtuos-ttruianle rcso n. tPrroalcletricsa .l Dtuingiitnagl mcoentthroodl sa lgorithms . rIenqtruoirdeumcteinotns .. CProomdmucotn d teesrigmns .. DTehvei cEeM seCle cmtioodne l. .P EriMnteCd circuit boards . Interfaces . Power supplies and power-line 14 Digital Control Systems filters . Signal line filters . Enclosure design . Interface cable connections . Golden rules for effective design for EMC . Introduction . Logic families . Combinational logic . Storage . System design . Buildings . Conformity assessment . EMC Timers and monostables . Arithmetic circuits . Counters and testing and measurements . Management plans shift registers . Sequencing and event driven logic . Analog interfacing . Practical considerations . Data sheet notations 24 Health and Safety 15 Microprocessors The scope of electrical safety considerations . The nature of Introduction . Structured design of programmable logic electrical injuries . Failure of electrical equipment systems . Microprogrammable systems . Programmable systems . Processor instruction sets . Program structures . Reduced instruction set computers (RISC) . Software 25 Hazardous Area Technology design . Embedded systems A brief UK history . General certification requirements . Gas group and temperature class . Explosion protection 16 Programmable Controllers concepts . ATEX certification . Global view . Useful websites Introduction . The programmable controller . Programming methods . Numerics . Distributed systems and fieldbus . Graphics . Software engineering . Safety Section F ± Power Generation Section D ± Power Electronics and Drives 26 Prime Movers 17 Power Semiconductor Devices Steam generating plant . Steam turbine plant . Gas turbine plant . Hydroelectric plant . Diesel-engine plant Junction diodes . Bipolar power transistors and Darlingtons . Thyristors . Schottky barrier diodes . MOSFET . The insulated gate bipolar 27 Alternative Energy Sources transistor (IGBT) Introduction . Solar . Marine energy . Hydro . Wind . Geothermal energy. Biofuels . Direct conversion . Fuel cells . 18 Electronic Power Conversion Heat pumps Electronic power conversion principles . Switch-mode Apo.cw./ear. cs.u cpopnliveesr .s iDon.c /. aR.ce. scoonnavnetr steiocnh n. iqAu.ce.s/ d. .Mc. ocdounlvaerr sion . 28 Alternating Current Generators systems . Further reading Introduction . Airgap flux and open-circuit e.m.f. . Alternating current windings . Coils and insulation . 19 Electrical Machine Drives RTeemacptaernacteusr ea nrdis et i.m Oe uctopnustt aenqtusa .t iSotne a. dAyr-smtaatteu roep reeraactitoionn . . Introduction . Fundamental control requirements for electrical Synchronising . Operating charts . On-load excitation . machines . Drive power circuits . Drive control . Applications Sudden three phase short circuit . Excitation systems . and drive selection . Electromagnetic compatibility Turbogenerators . Generator±transformer connection . Hydrogenerators . Salient-pole generators other than 20 Motors and Actuators hydrogenerators . Synchronous compensators . Induction generators . Standards Energy conversion . Electromagnetic devices . Industrial rotary and linear motors 29 Batteries Section E ± Environment Introduction . Cells and batteries . Primary cells . Secondary cells and batteries . Battery applications . 21 Lighting Anodising . Electrodeposition . Hydrogen and oxygen Light and vision . Quantities and units . Photometric electrolysis concepts . Lighting design technology . Lamps . Lighting design . Design techniques . Lighting applications Section G ± Transmission and Distribution 22 Environmental Control 30 Overhead Lines Introduction . Environmental comfort . Energy General . Conductors and earth wires . Conductor fittings . requirements . Heating and warm-air systems . Control . Electrical characteristics . Insulators . Supports . Lightning . Energy conservation . Interfaces and associated data Loadings //integras/b&h/Eer/Final_06-09-02/prelims 31 Cables Section H ± Power Systems Introduction . Cable components . General wiring cables 39 Power System Planning and flexible cords . Supply distribution cables . Transmission cables . Current-carrying capacity . Jointing The changing electricity supply industry (ESI) . Nature of and accessories . Cable fault location an electrical power system . Types of generating plant and characteristics . Security and reliability of a power system . Revenue collection . Environmental sustainable planning 32 HVDC Introduction . Applications of HVDC . Principles of HVDC converters . Transmission arrangements . Converter station 40 Power System Operation and Control design . Insulation co-ordination of HVDC converter Introduction . Objectives and requirements . System stations . HVDC thyristor valves . Design of harmonic description . Data acquisition and telemetering . filters for HVDC converters . Reactive power Decentralised control: excitation systems and control considerations . Control of HVDC . A.c. system damping characteristics of synchronous machines . Decentralised controls . Interaction between a.c. and d.c. systems . control: electronic turbine controllers . Decentralised Multiterminal HVDC systems . Future trends control: substation automation . Decentralised control: pulse controllers for voltage control with tap-changing 33 Power Transformers transformers. Centralised control . System operation . System control in liberalised electricity markets . Introduction . Magnetic circuit . Windings and insulation . Distribution automation and demand side management . Connections . Three-winding transformers . Quadrature Reliability considerations for system control booster transformers . On-load tap changing . Cooling . Fittings . Parallel operation . Auto-transformers . Special types . Testing . Maintenance . Surge protection . 41 Reactive Power Plant and FACTS Purchasing specifications Controllers Introduction . Basic concepts . Variations of voltage 34 Switchgear with load . The management of vars . The development Circuit-switching devices . Materials . Primary-circuit- of FACTS controllers . Shunt compensation . Series protection devices . LV switchgear . HV secondary compensation . Controllers with shunt and series distribution switchgear . HV primary distribution components . Special aspects of var compensation . Future switchgear . HV transmission switchgear . Generator prospects switchgear . Switching conditions . Switchgear testing . Diagnostic monitoring . Electromagnetic compatibility . Future developments 42 Electricity Economics and Trading Introduction . Summary of electricity pricing principles . 35 Protection Electricity markets . Market models . Reactive market Overcurrent and earth leakage protection . Application of protective systems . Testing and commissioning . 43 Power Quality Overvoltage protection Introduction . Definition of power quality terms . Sources of problems . Effects of power quality problems . 36 Electromagnetic Transients Measuring power quality . Amelioration of power quality Introduction . Basic concepts of transient analysis . problems . Power quality codes and standards Protection of system and equipment against transient overvoltage . Power system simulators . Waveforms associated with the electromagnetic transient phenomena Section I ± Sectors of Electricity Use 44 Road Transport 37 Optical Fibres in Power Systems Electrical equipment of road transport vehicles . Light rail Introduction . Optical fibre fundamentals . Optical fibre transit . Battery vehicles . Road traffic control and cables . British and International Standards . Optical fibre information systems telemetry on overhead power lines . Power equipment monitoring with optical fibre sensors 45 Railways 38 Installation Railway electrification . Diesel-electric traction . Systems, EMC and standards . Railway signalling and control Layout . Regulations and specifications . High-voltage supplies . Fault currents . Substations . Wiring systems . Lighting and small power . Floor trunking . Stand-by and 46 Ships emergency supplies . Special buildings . Low-voltage switchgear and protection . Transformers . Power-factor Introduction . Regulations . Conditions of service . correction . Earthing . Inspection and testing D.c. installations . A.c. installations . Earthing . Machines //integras/b&h/Eer/Final_06-09-02/prelims and transformers . Switchgear . Cables . Emergency power . 48 Mining Applications ETiaHSnutlateeexenaecirktrtlfiirieeannirrcrggse i epn.g.s rceWS oe.at pRreaau atn.eel mdmsRri t oeeoipgnlftlerhae ci tngta retdn oro.da moG taeraedusgn tn.coe eVarmtareigtcanoo ttcir icossl a pmc.ta oiDpncnaegitestr i sfob.ae liLln l siesityg ny.sh g tR.tei inDmnaedgess i c o...k lpGmGtirglauaaehnntcgtehsesi-pnr ieanaognnel r d.sdt. M .Pb.s FooCooxcwlonakeaeimsetrl ot- .esfs rp Faui.ncr plDoaegp mo rllaaifieeln ylapsido nnr. uo gdcWto o mi.nfn i Pntatmrrdcooiohenwltri snoesir cer. ass lU ol..l aynCUd dsaenaebrdfrslegee .rrse og,Hq rucuoeoniaupuddnmp idnlee gnr st, . 47 Aircraft 49 Standards and Certification Introduction . Engine technology . Wing technology . Introduction . Organisations preparing electrical standards . Integrated active controls . Flight-control systems . Systems The structure and application of standards . Testing, technology . Hydraulic systems . Air-frame mounted certification and approval to standard recommendations . accessory drives . Electrohydraulic flight controls . Sources of standards information Electromechanical flight controls . Aircraft electric power . Summary of power systems . Environmental control system . Digital power/digital load management Index //integras/b&h/Eer/Final_06-09-02/prelims Preface The Electrical Engineer's Reference Book was first published Environment (Chapters 21±25) is a new section of particular in 1945: its original aims, to reflect the state of the art in relevance to current concerns in this area including lighting, electrical science and technology, have been kept in view environmental control, electromagnetic compatibility, throughout the succeeding decades during which sub- health and safety, and hazardous area technology. sequent editions have appeared at regular intervals. Power Generation (Chapters 26±29) sees some ration- Publication of a new edition gives the opportunity to alisation of contributions to previous editions in the largely respond to many of the changes occurring in the practice mechanical engineering area of prime movers, but with an of electrical engineering, reflecting not only the current expanded treatment of the increasingly important topic of commercial and environmental concerns of society, but alternative energy sources, along with further chapters on also industrial practice and experience plus academic alternating current generators and batteries. insights into fundamentals. For this 16th edition, thirty- Transmission and Distribution (Chapters 30±38) is con- nine chapters are either new, have been extensively cerned with the methods and equipment involved in the rewritten, or augmented and updated with new material. delivery of electric power from the generator to the As in earlier editions this wide range of material is brought consumer. It deals with overhead lines, cables, HVDC within the scope of a single volume. To maintain the overall transmission, power transformers, switchgear, protection, length within the possible bounds some of the older and optical fibres in power systems and aspects of material has been deleted to make way for new text. installation with an additional chapter on the nature of The organisation of the book has been recast in the electromagnetic transients. following format with the aim of facilitating quick access Power Systems (Chapters 39±43) gathers together those to information. topics concerned with present day power system planning General Principles (Chapters 1±3) covers basic scientific and power system operation and control, together with background material relevant to electrical engineering. It aspects of related reactive power plant and FACTS includes chapters on units, mathematics and physical controllers. Chapters are included on electricity economics quantities, electrotechnology and network analysis. and trading in the liberalised electricity supply industry now existing in many countries, plus an analysis of the power Materials & Processes (Chapters 4±10) describes the supply quality necessary for modern industrialised nations. fundamentals and range of materials encountered in Sectors ofElectricity Use (Chapters 44±49) is a concluding electrical engineering in terms of their electromechanical, section comprising chapters on the special requirements of thermoelectric and electromagnetic properties. Included agriculture and horticulture, roads, railways, ships, aircraft, are chapters on the fundamental properties of materials, and mining with a final chapter providing a preliminary conductors and superconductors, semiconductors, insu- guide to Standards and Certification. lation, magnetic materials, electroheat and materials pro- cessing and welding and soldering. Although every effort has been made to cover the scope of electrical engineering, the nature of the subject and the Control (Chapters 11±16) is a largely new section with six manner in which it is evolving makes it inevitable that chapters on electrical measurement and instruments, improvements and additions are possible and desirable. In industrial instrumentation for process control, classical order to ensure that the reference information provided control systems theory, fundamentals of digital control, remains accurate and relevant, communications from microprocessors and programmable controllers. professional engineers are invited and all are given careful Power Electronics and Drives (Chapters 17±20) reflect the consideration in the revision and preparation of new significance of upto 50% of all electrical power passing editions of the book. through semiconductor conversion. The subjects included The expert contributions made by all the authors involved of greatest importance to industry, particularly those and their patience through the editorial process is gratefully related to the area of electrical variable speed drives, acknowledged. comprise power semiconductor devices, electronic M. A. Laughton power conversion, electrical machine drives, motors and D. F. Warne actuators. 2002 //integras/b&h/Eer/Final_06-09-02/prelims Electrical Engineer's Reference BookÐonline edition As this book goes to press an online electronic version is also in preparation. The online edition will feature . the complete text of the book . access to the latest revisions (a rolling chapter-by-chapter revision will take place between print editions) . additional material not included in the print version To find out more, please visit the Electrical Engineer's Reference Book web page: http://www.bh.com/newness?isbn=0750646373 or send an e-mail to [email protected]
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